477885 (2011 JT9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5185451094 ± 4.29e-08
Semi-major axis (a)2.6951360659 AU ± 1.24e-08
Inclination (i)19.05131166° ± 4.05e-06
Long. of Asc. Node (Ω)118.94512835° ± 8.01e-06
Arg. of Perihelion (ω)185.31023648° ± 1.22e-05
Mean Anomaly (M)69.13277656° ± 3.51e-06
Mean Motion (n)0.2227620637°/day ± 1.53e-09
Perihelion dist (q)1.29758644 AU ± 1.16e-07
Aphelion dist (Q)4.09268569 AU ± 1.17e-07
Orbital Period4.42456973 yr ± 3.05e-08
Physical Parameters
H (abs. magnitude)17.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.281108 AU
Observations Used817
Oppositions14
Arc Total2007-2025
First Observation Used2007-11-11
Last Observation Used2025-12-15
Observations (1102)
Date Type RA Dec Mag Band Observatory
2020-05-14 23:01:49 C 17 07 18.72 +16 37 28.9 V Z80
2020-05-16 11:15:10 C 17 07 05.96 +16 47 59.0 V T08
2020-05-16 11:21:07 C 17 07 05.89 +16 48 00.9 V T08
2020-05-16 11:29:04 C 17 07 05.80 +16 48 03.3 V T08
2020-05-16 12:00:00 C 17 07 05.47 +16 48 11.8 V T08
2020-05-17 23:56:28 C 17 06 48.70 +16 57 22.4 V A17
2020-05-18 00:07:48 C 17 06 48.58 +16 57 25.2 V A17
2020-05-18 00:19:07 C 17 06 48.45 +16 57 27.9 V A17
2020-05-18 11:50:13 C 17 06 42.00 +17 00 18.7 V T05
2020-05-18 11:54:26 C 17 06 41.95 +17 00 19.8 V T05
2020-05-18 12:02:04 C 17 06 41.85 +17 00 21.5 V T05
2020-05-18 12:16:29 C 17 06 41.64 +17 00 25.2 V T05
2020-05-18 13:12:46 C 17 06 40.923 +17 00 37.80 U F52
2020-05-18 13:13:07 C 17 06 40.93 +17 00 37.8 V T05
2020-05-18 13:31:46 C 17 06 40.676 +17 00 42.14 U F52
2020-05-18 13:50:43 C 17 06 40.434 +17 00 46.35 U F52
2020-05-18 14:09:43 C 17 06 40.193 +17 00 50.62 U F52
2020-05-19 09:24:21 C 17 06 28.81 +17 05 06.3 V G96
2020-05-19 09:31:01 C 17 06 28.72 +17 05 07.7 V G96
2020-05-19 09:37:41 C 17 06 28.63 +17 05 09.1 V G96
2020-05-19 09:44:21 C 17 06 28.54 +17 05 10.4 V G96
2020-05-19 22:42:01 C 17 06 20.48 +17 07 47.5 V Z80
2020-05-19 22:48:41 C 17 06 20.40 +17 07 50.0 V Z80
2020-05-19 22:55:22 C 17 06 20.29 +17 07 50.7 V Z80
2020-05-20 10:39:38 C 17 06 11.96 +17 10 16.8 V T08
2020-05-20 10:43:49 C 17 06 11.92 +17 10 17.6 V T08
2020-05-20 10:47:48 C 17 06 11.84 +17 10 18.4 V T08
2020-05-21 07:44:16 S 17 06 22.555 +17 10 38.93 V C57
2020-05-21 07:44:16 s 1 -100244.76 7 +374857.53 7990.0 C57
2020-05-21 12:30:18 C 17 05 51.822 +17 14 54.09 U F52
2020-05-21 12:51:13 C 17 05 51.464 +17 14 57.47 U F52
2020-05-21 13:12:06 C 17 05 51.108 +17 15 00.82 U F52
2020-05-21 13:33:04 C 17 05 50.759 +17 15 04.12 U F52
2020-05-21 16:14:16 S 17 06 17.714 +17 12 19.30 V C57
2020-05-21 16:14:16 s 1 -115516.36 7 +363317.51 2670.0 C57
2020-05-21 17:44:16 S 17 06 17.059 +17 12 32.87 V C57
2020-05-21 17:44:16 s 1 -118132.14 1 +361026.68 4350.0 C57
2020-05-21 20:14:16 S 17 06 15.384 +17 13 01.78 V C57
2020-05-21 20:14:16 s 1 -122433.93 1 +357037.04 6660.0 C57
2020-05-21 22:53:34 C 17 05 43.77 +17 16 29.2 V 160
2020-05-21 22:57:01 C 17 05 43.71 +17 16 29.8 V 160
2020-05-21 23:00:27 C 17 05 43.65 +17 16 30.3 V 160
2020-05-22 06:31:51 C 17 05 37.49 +17 17 40.9 U I41
2020-05-22 07:37:36 C 17 05 36.35 +17 17 51.0 U I41
2020-05-22 08:02:59 C 17 05 35.89 +17 17 54.9 U I41
2020-05-22 12:54:01 C 17 05 31.18 +17 18 39.5 V T05
2020-05-22 12:58:37 C 17 05 31.10 +17 18 40.1 V T05
2020-05-22 13:35:30 C 17 05 30.42 +17 18 45.0 V T05
2020-05-22 13:46:34 C 17 05 30.24 +17 18 46.8 V T05
2020-05-22 18:14:16 S 17 06 00.110 +17 16 52.54 V C57